My circular saw makes a whining noise when I start it up and when I up the blade to the wood the blade stops
Either the motor is shot or the bearings are shot. Or both. You can buy replacement parts on eReplacementparts.com. It might be worth your time to just buy a new saw. Look on eBay.
SOURCE: how do you ulock the saw to pull up the blade so you can put the wood underneath to cut
push down gently on the arm and reach around to the rear of saw with your right hand and pull retainer pin the arm should release and allow usuage of your saw.
SOURCE: how do i change the blade on craftsman circular saw?
some saws don't have a blade brake , i always take a pair of vise grips and adjust to grip blade tightly and hold or bind against housing then remove bolts works well for me
SOURCE: how do i change the circular saw blade on my saw?
After removing the blade bolt and the outer flange you will need to fully retract the lower guard (remove battery) and sometimes wiggle the blade but it will come out.
SOURCE: ryobi 18v circular saw owners manual - blade is loose!
Usually there is a button to press that locks the shaft arbor and then you use a wrench to tighten OFTEN is a left hand thread!
Check for lock button behind the blade guard toward the motor.
Testimonial: "Thanks; that's the advice I got when I tracked down the number to call Ryobi. However, it doesn't seem to be working. Now sure what is wrong :("
SOURCE: I can't tighten the blade on the saw.
are both flanges in place and on correctly?? That would be the first thing that I would look for.
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